{"product_id":"sram-nx-eagle-long-cage-12-speed-rear-derailleur-rd6137-bicycle-rear-derailleur","title":"SRAM NX Eagle 12-Speed Rear Derailleur - Long Cage, Black, 1x Drivetrain, Eagle Technology, Durable Clutch, E-Mountain \u0026 Gravel Bike Ready","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade Your Bike's Performance with the SRAM NX Eagle Rear Derailleur - Long Cage, Black\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaximize your cycling efficiency and durability with the SRAM NX Eagle Rear Derailleur, engineered for riders seeking reliable 12-speed gear shifting on mountain bikes, e-bikes, and gravel setups. Crafted with premium materials and innovative technology, this derailleur ensures smooth, responsive shifting across a wide gear range for confident downhill descents and swift climbs.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eMaterials \u0026amp; Construction\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eBuilt with high-strength aluminum and steel components, the SRAM NX Eagle derailleur offers exceptional durability and lightweight performance. Its sleek black finish not only adds a modern aesthetic but also provides resistance to scratches and corrosion in rugged riding conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eFeaturing SRAM's proven X-HORIZON design, the NX Eagle derailleur delivers crisp, precise shifts with reduced derailleur movement, minimizing derailleur contact with the cassette for longer component life. The Type-3 Roller Bearing Clutch enhances chain retention, providing quiet, consistent performance even on rough terrains. The long cage design accommodates cassette cogs up to 50 teeth, ensuring excellent chain wrap and smooth pedaling, especially on high-capacity 11- to 50-tooth cassettes.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eComponents \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eEquipped with Eagle pulley technology, the derailleur promotes greater efficiency, quieter operation, and crisper shifting performance. The re-positioned cage lock lever improves durability and quick gear changes, making maintenance easier. Compatibility with SRAM's 12-speed X-Actuation shifters and Eagle chains ensures seamless integration within your drivetrain setup.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eDesigned for mountain biking, e-bike applications, and gravel riding, the SRAM NX Eagle Rear Derailleur combines performance with a sleek black aesthetic that complements any bike. Its robust construction and advanced features make it suitable for aggressive trail riding, endurance events, and everyday cycling, where reliability and speed are essential.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Long Cage Design: Supports cassettes up to 50T, ideal for wide gear ranges required in challenging climbs and descents.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Type-3 Roller Bearing Clutch: Offers superior chain stability and quieter ride, even under heavy loads.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Re-Positioned Cage Lock \u0026amp; Mounting System: Enhances durability and ease of installation, prolonging component lifespan.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Eagle Pulley Technology: Ensures efficient power transfer and smooth shifting for an optimized riding experience.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Designed for E-Bikes: Tailored to handle the increased torque and demands of electric bicycles.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003eUpgrade your mountain, gravel, or e-bike drivetrain with the SRAM NX Eagle Rear Derailleur - where durability, precision, and modern engineering converge for ultimate riding performance. Experience seamless shifting, enhanced stability, and a sleek black finish that complements your bike's style.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eSRAM NX Eagle Rear Derailleur features durable construction with high-quality aluminum and composite materials designed for rugged mountain biking and e-bike performance. \u003c\/li\u003e\n\u003cli\u003eEngineered with SRAM's proven X-HORIZON technology and Eagle pulley system, it provides crisp, precise shifts, and reduced chain tension for a smooth pedaling experience across a wide gear range from 10 to 50 teeth. \u003c\/li\u003e\n\u003cli\u003eEquipped with Type-3 ROLLER BEARING CLUTCH technology, this derailleur offers increased durability, quiet operation, and reliable chain control even on challenging terrain or during extended rides. \u003c\/li\u003e\n\u003cli\u003eDesigned for 12-speed SRAM Eagle drivetrains, the long cage configuration efficiently accommodates up to a 50-tooth cassette, making it ideal for aggressive trail riding, enduro, or e-bike applications. \u003c\/li\u003e\n\u003cli\u003eFeaturing a sleek black finish, this derailleur's robust mounting system and cage lock function enhance durability and ease of maintenance, ensuring long-lasting performance in demanding cycling conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"SRAM","offers":[{"title":"Default Title","offer_id":42208135381059,"sku":"RD6137","price":114.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/RD6137.jpg?v=1779348980","url":"https:\/\/365cycles.com\/products\/sram-nx-eagle-long-cage-12-speed-rear-derailleur-rd6137-bicycle-rear-derailleur","provider":"365 Cycles","version":"1.0","type":"link"}